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A cycle accurate simulator for the Apricos CPU architecture

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Apricosim

A cycle accurate simulator for the Apricos CPU architecture.

Dependencies

This particular distribution of apricosim requires the following binaries:

  • gcc 4.0.0+
  • autoconf 2.65+
  • automake 1.11+

The following libraries are also required:

  • curses/ncurses

Compiling

Compiling a minimal version of the simulator is as simple as entering the following commands:

aclocal
automake --add-missing
autoconf
./configure
make
sudo make install

For a fully featured version, which is required to run the Apricot OS, enter the following before make:

./configure --enable-tty-emulation --enable-port-emulation --enable-disk-emulation

Running

To run the simulator without any programs, enter aprsim in your shell.

Besides running with no input, the simulator supports a number of command line parameters to customise execution:
--version / -v Print version information and exit.
--help / -h Print program usage information.
--fifo_tty_file / -f Set fifo tty file. (Only if compiled with enable-tty-emulation)
--serial_tty_file / -u Set serial device tty file. (Only if compiled with enable-tty-emulation)
--symbols / -s Load a symbols file.

Program binaries are listed after all other arguments, and are separated by spaces.

Using the simulator

The simulator can be operated with the following controls:
j/k Scroll the memory display down/up.
J/K Scroll the stack display down/up.
PGdown/PGup Scroll the memory display 256 lines down/up.
r Move to the next page in the register display.
p Jump to program counter position in memory display.
n/N Jump to the next/previous breakpoint.
b Toggle a breakpoint.
d Toggle disassembly view on/off.
m Switch between state execution, instruction execution and automatic run modes.
space Depending on mode, execute one CPU state/instruction or start automatic execution.
q Quit the simulator.
F1 Interrupt the currently running program and quit the simulator.

Licence

See LICENCE for details.